package main

import "fmt"

func main() {
	// 给int64 起一个别名叫bigint
	type bigint int64

	var a bigint
	fmt.Printf("a`s type is %T\n", a)

	type (
		long int64
		char byte
	)

	var b long
	var c char

	fmt.Println(b, c)
}
